BMW i4 (G26): generations, batteries, charging and updates
The BMW i4 is an electric five-door coupe-style sedan that looks almost identical to the 4 Series Gran Coupe from the outside. We look at how the eDrive35, eDrive40 and M50 versions differ, how much range you can realistically expect in winter, how to charge the battery and what to check when buying a used i4.
BMW i4 in brief
The i4 has been in production since 2021 in Munich and is similar to the petrol and diesel 4 Series Gran Coupe in terms of body and interior. As a result, it looks and drives like a typical BMW: it sits low, handles precisely, and the boot lid opens with the rear window, making loading convenient.
Buyers appreciate the i4 for its driving comfort, quiet cabin and the fact that it's an electric car that doesn't look like an experiment. Downsides include less headroom in the rear than in taller electric SUVs, and the battery under the floor slightly raises the ride height.
Early i4 and the updated version — what's the difference
The first i4s (2021–2024) already had a curved screen with the iDrive 8 system and a heat pump. Initially, only the eDrive40 and M50 versions were offered, later joined by the more affordable eDrive35 and the all-wheel-drive xDrive40.
The 2024 i4 has been updated: the front and rear lights have been changed, the infotainment software and interior trim have been refreshed, and the M50 has been renamed to M50 xDrive. The technology remains essentially the same, so an early i4 with a good history often makes for a more sensible purchase than the updated model.
Generations, batteries and charging
eDrive40 — the most popular version with a single rear engine (around 340 hp) and the largest battery with a usable capacity of around 81 kWh. The eDrive35 has a smaller battery and a less powerful engine, while the xDrive40 and M50 feature dual engines and all-wheel drive, with the M50 boasting around 540 hp. According to the manufacturer's (WLTP) data, the eDrive40 can travel around 500–590 km, while other versions cover less.
In reality, especially on the motorway, the range is often lower, and in winter, you might need to count on about 20–30% less than in summer, and even more when driving short distances. The heat pump helps, but on cold mornings, energy is consumed to heat the cabin and the battery.
The i4 charges via a CCS2 connector: with alternating current at home or at a public charging station — usually up to 11 kW, and at fast-charging stations — up to around 200 kW (eDrive35 — slightly slower). Maximum power is achieved only when the battery is warm and not fully charged, so it's worth using the navigation system's battery pre-conditioning before a long journey.
What to check when buying a used BMW i4
The most important thing is the battery's condition. Ask for a battery health (SoH) report and charging history from a BMW service centre or diagnostic specialist, and while test-driving, monitor how the charge percentage drops. Compare the displayed range when the battery is fully charged with the data for a new car.
Test the charging: both with alternating current and at a fast-charging station, and ensure the charging cable is included. Check the brakes — they're used less in electric cars, so the discs can rust — and the tyres, as a heavy and powerful car wears them out faster.
Check if the software has been updated and if all ordered functions and assist systems are working. Check the history via the VIN: some i4s are imported from other countries, and after an incident, the condition of the electric car's battery and high-voltage system must be checked at a service centre.
Versions
The BMW i4 differs mainly in versions (engines and battery) and equipment packages; we list the versions most commonly found in Europe.
eDrive35
From the 2022–2023 model yearThe most affordable i4 version with a smaller battery.
- One rear electric motor
- Smaller battery and range
- Slightly slower fast charging
eDrive40
From the 2021 model yearThe most popular version — the longest range.
- Rear-wheel drive, around 340 hp
- Around 81 kWh usable battery capacity
- Often — M Sport package
xDrive40
From the 2023 model yearThe all-wheel-drive version for our winters.
- Two engines and all-wheel drive
- More power than the eDrive40
- Slightly reduced range
M50 / M50 xDrive
From the 2021 model yearThe sportiest i4 version.
- Around 540 hp and all-wheel drive
- Sport suspension and M Sport brakes
- Often — 19–20-inch wheels
M Sport paketas
All year roundMost commonly chosen styling and handling package.
- Sport bumpers and wheels
- Sport seats and steering wheel
- Often — sport suspension
Comparison of BMW i4 versions
| eDrive35 | eDrive40 | xDrive40 | M50 | |
|---|---|---|---|---|
| Who it's for | For city driving and shorter trips | For long journeys | For winter and slippery roads | For driving comfort |
| Front-wheel drive | Rear-wheel drive | Rear-wheel drive | All-wheel drive | All-wheel drive |
| Tyre sizes (most common) | 17–18 inch | 18–19 inch | 18–19 inch | 19–20 inch |
| Mileage (relatively) | Lowest | Highest | High | Smaller |
| Price in the used market (relatively) | € | €€ | €€ | €€€ |
For most buyers, the best choice is the eDrive40: it offers the longest range and ample power. The xDrive40 is worth considering for its all-wheel drive, while the M50 is only if performance is paramount.
Pros
- Drives and handles like a typical BMW
- The eDrive40 offers a substantial range
- Quiet, high-quality interior
- Spacious boot with a large tailgate
Cons
- Limited headroom in the rear seats
- Fast charging is slower than some competitors
- Lots of kit — but mostly reserved for optional extras
Frequently asked questions
How far does the BMW i4 really go in winter?
This depends on the version, speed, and air temperature. In cold weather, you often need to count on about 20–30% less range than in summer, and even less when driving short distances with the heater on. The eDrive40 usually covers the most miles of all i4 versions in winter.
How does the i4 differ from the 4 Series Gran Coupé?
The body, interior, and a large portion of the equipment are shared, but the i4 is electric, has a battery under the floor, and sealed front grilles. Due to the battery, the i4 is heavier, but quieter and accelerates faster.
How can you check the condition of a used i4 battery?
The most reliable method is a battery health (SoH) report from a BMW service centre or diagnostic specialist. Additionally, charge the car to 100% and compare the displayed range with the new car's data, and ask how often fast charging was used.
Updated 2026-10-09 · Trim levels and equipment vary by market and model year — check the equipment of the specific car. · Translated automatically





























